A preliminary study of linear accelerator-based spatially fractionated radiotherapy - Lee, Young Kyu; Seol, Yunji; Kim, Byeong Jin; Choi, Kyu Hye; Hong, Ji Hyun; Park, Chan-beom; Kim, Sun Hwa; Park, Hyeong Wook; Cheon, Wonjoong; Kang, Young Nam; Choi, Byung‑Ock (Frontiers in Oncology, 2025)